Oris adds to its Caliber 400 series of long power reserve movements with Caliber 473, a new manual-wind movement with a 120-hour (five-day) power reserve that the independent watchmaker will debut in a new watch, the Big Crown Calibre 473.

The new Oris Big Crown Calibre 473

While Oris has previously fit its Big Crown Pointer Date fit with the automatic Caliber 403, also a five-day-power reserve caliber, the new watch will premiere the latest manual-wind iteration of the Caliber 400 series, which debuted in 2020 as the first Oris in-house automatic movement in forty years.  The new caliber is the watchmaker’s tenth in-house caliber in ten years.

Derived from the firm’s well-known Big Crown Pointer Date, the new watch is a 38mm steel model with a blue dial displaying the familiar Big Crown’s familiar central two-hand time display with a central date hand and small seconds at 6 o’clock.

Like the full series of Oris Caliber 400 movements, Caliber 473 is also constructed to demonstrate high levels of anti-magnetism.

New Oris Caliber 473, a manual-winder with five-day power reserve.

And like earlier models fit with Caliber 400 series movements, the new watch also comes with a ten-year warranty and ten-year recommended service intervals. Oris notes that new caliber took four years to develop and is the subject of a pending patent.

The watchmaker has placed the 120-hour power reserve indicator on the back of Caliber 473 to inform the wearer when its time to rewind. As a bonus, Oris is premiering its new stainless steel butterfly clasp with fine adjustment system on the Big Crown Calibre 473. 

Price: $4,400.


Specifications: Oris Big Crown Calibre 473

Movement: Manual-wind Oris Caliber 473, 120- hour power reserve indicator on reverse, fine timing device and stop-second, accuracy -3/+5 seconds a day (within COSC tolerances), power reserve of 120 hours, highly anti-magnetic.

Case: Multi-piece 38mm stainless steel, domed sapphire crystal with anti-reflective coating inside, stainless steel screw-in security crown. Caseback is stainless steel, screwed with see-through sapphire glass. 50 meters of water resistance.  

Dial: Blue with luminous indices, numbers and hands printed with Super-LumiNova. 

Strap: Olive brown, crafted from sustainably sourced deer leather produced by Oris’s Swiss partner Cervo Volante. New Oris-developed stainless steel butterfly clasp with fine adjustment system. 

Price: $4,400.

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